aequasi/cache-bundle (1.3.0, 1.2.6, 1.2.5)
Creates services in Symfony 2, for cache, that can also be used with doctrines three cache types (metadata, result, and query). It also provides functionality for session handler support, and Router support.

acts/external-login-bundle (0.1.0)
A bundle which allows users to log in using Facebook, Twitter, Google and Raven (Cambridge University). A bridge between acts/social-api-bundle and the Symfony2 security component.